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Scientists confident of SARS link {SARS spread by cockroaches!}
The Baltimore Sun ^ | 11 April 2003 | Julie Bell

Posted on 04/11/2003 7:10:37 PM PDT by Vigilant1

Evidence of new virus found in stool samples, journal report says

Scientists working to identify the cause of a mysterious respiratory illness that has killed 111 people worldwide are now almost certain that it is associated with a new kind of coronavirus, a family of viruses also responsible for the common cold. One of two groups of scientists whose findings were published online yesterday in separate New England Journal of Medicine articles also said they had found genetic evidence of the virus in some victims' stool samples.

The finding lends support to a previously advanced theory that the virus might spread via cockroaches that have had contact with sewage, said Dr. Peter B. Jahrling, a U.S. Army virologist whose Fort Detrick laboratory is working to find drugs that might be effective against the infection.

(Excerpt) Read more at sunspot.net ...


TOPICS: Culture/Society; Front Page News; News/Current Events
KEYWORDS: cockroach; epidemic; health; hygiene; quarantene; quarantine; roach; sars; usamriid
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If SARS is spread by cockroaches, as this article suggests, efforts to contain its spread, especially in urban areas, are doomed to failure.
1 posted on 04/11/2003 7:10:37 PM PDT by Vigilant1
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To: All
Is Somebody Else Carrying Your Water?

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2 posted on 04/11/2003 7:12:01 PM PDT by Support Free Republic (Your support keeps Free Republic going strong!)
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To: Vigilant1
Cockroches are the master race
3 posted on 04/11/2003 7:14:22 PM PDT by woofie
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Comment #4 Removed by Moderator

To: Vigilant1
We must educate people to quit licking cockroach trails.
5 posted on 04/11/2003 7:15:46 PM PDT by Dog Gone
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To: Vigilant1
Hmmmmmm. Chinese cockroaches that escaped from a bio-warfare lab?
6 posted on 04/11/2003 7:19:26 PM PDT by LaineyDee
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To: Vigilant1
There are pesticides effective in controlling cockroaches. We could bring back DDT and Chlordane for a few years, to contain infection.

We used to use DDT to control mosquitoes in malaria areas- saving millions. With the ban, malaria deaths are up and are still rising. Now we have another insect spread killer, apparently.

Will the fear of SARS override the environmentalist's decrees?

(Hint- how many times did Gore speak of the need to control global population?)
7 posted on 04/11/2003 7:20:21 PM PDT by DBrow
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To: Dog Gone
We must educate people to quit licking cockroach trails.

LOL! Oh, yuck.

But seriously, I did a search today on the issue of "fecal spray" from public toilets. It was disgusting. Trust me: Save the flushing for last and then run like hell.

8 posted on 04/11/2003 7:21:25 PM PDT by Nita Nupress
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To: woofie
Arachnids!
We gotta glass Klendathu.
9 posted on 04/11/2003 7:27:22 PM PDT by ffusco ("Essiri sempri la santu fora la chiesa.")
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To: woofie
Does that include Palmetto Bugs?
10 posted on 04/11/2003 7:28:04 PM PDT by old school
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To: Nita Nupress

http://serendip.brynmawr.edu/biology/b103/f02/web2/stan.html

Think before you flush or brush

Sarah Tan

One of my friends from high school has made a habit of putting toilet seat lids down before she flushes. She started doing this about four years ago when she heard that when toilets are flushed, water droplets are expelled from the toilet bowl into the air, and when they land, other areas of the bathroom get "contaminated" by toilet water. That always amused me, but when I went over to her house, I humored her and followed this personal rule of hers. However, I didn't know—and chances are, she didn't know—just how justified she was in worrying about in what is known as the "aerosol effect" in toilets. My discovery that there is actually a technical term for this phenomenon was the first indication that there might be something scientifically legitimate to it. It seems to have first been brought to light by University of Arizona environmental microbiologist Charles Gerba when he published a scientific article in 1975 describing bacterial and viral aerosols due to toilet flushing (2). He conducted tests by placing pieces of gauze in different locations around the bathroom and measuring the bacterial and viral levels on them after a toilet flush, and his results are more than just a little disturbing.

First is the confirmation of the existence of the aerosol effect, even though it is largely unrecognized. "Droplets are going all over the place—it's like the Fourth of July," said Gerba. "One way to see this is to put a dye in the toilet, flush it, and then hold a piece of paper over it" (8). Indeed, Gerba's studies have shown that the water droplets in an invisible cloud travel six to eight feet out and up, so the areas of the bathroom not directly adjacent the toilet are still contaminated. Walls are obviously affected, and in public or communal bathrooms, the partitions between stalls are definitely coated in the spray mist from the toilet (1). Also, toilet paper will be cleanest when it is enclosed in a plastic or metal casing; after all, it's subject to the same droplets splattering on it, and its proximity to the toilet bowl makes contamination potential obvious. The ceiling is also still contaminated and is in fact a potential problem site because it is often overlooked in the cleaning process. Bacteria cling to ceilings and thrive in the humid environment there; if the situation is left untreated for months or years (as is often the case), odors remain in restrooms that seem to have been to be otherwise thoroughly cleaned (1). The bacterial mist has also been shown to stay in the air for at least two hours after each flush, thus maximizing its chance to float around and spread (2). "The greatest aerosol dispersal occurs not during the initial moments of the flush, but rather once most of the water has already left the bowl," according to Philip Tierno, MD, director of clinical microbiology and diagnostic immunology at New York University Medical Center and Mt. Sinai Medical Center. He therefore advises leaving immediately after flushing to not have the microscopic, airborne mist land on you (4). Worse still is the possibility of getting these airborne particles in the lungs by inhaling them, from which one could easily contract a cough or cold (6).

Obviously, the idea of toilet water being unknowingly distributed around the bathroom is less than appealing, but a study of this sort calls for looking in detail at precisely what microscopic organisms we're dealing with here, even if we don't really want to know. Put rather graphically, it can be summed up as the F3 force: Fecal Fountain Factor, compounded by the favorable temperatures for bacterial propagation in room temperature toilet water (3). Using a more scientific viewpoint, streptococcus, staphylococcus, E. coli and shigella bacteria, hepatitis A virus and the common cold virus are all common inhabitants of public bathrooms, but just because they're all over the place doesn't mean we necessarily get sick. After all, humans carry disease-causing organisms on our bodies all the times, but with healthy immune systems, the quantities in which these organisms exist is not enough to affect us, particularly with a good hand-washing after every restroom visit (4). This begs the question, however, of the number of people who actually wash their hands after going to the toilet, and more importantly, the number who wash their hands effectively. Simply rinsing one's hands under running water for a few seconds without soap, as some people do, is not effective at all. The way to ensure maximum standards of hygiene is to lather your palms, the back of your hands, in between fingers, and under fingernails for 20-30 seconds with soap and hot water; the friction will kill off the bathroom bacteria (6).

Toilet seats have actually been determined to be the least infected place in the bathroom because the environment is too dry to support a large bacterial population (7). In accordance with that theory, the underside of the seat has a higher than average microbial population. The place in a restroom with the highest concentration of microbial colonies in restrooms is, surprisingly, the sink, due in part to accumulations of water where these organisms breed freely after landing their aerial journey. While toilets are obviously not sterile environments, they tend to not be as bad as people think because they receive more attention and are cleaned more often. "If an alien came from space and studied the bacterial counts, he probably would conclude he should wash his hands in your toilet and crap in your sink," Gerba said (2). The alien would almost certainly not put your toothbrush in his mouth because, with its traditional, uncovered spot in the bathroom, it is one of the hotspots for fecal bacteria and germs spewed into the air by the aerosol effect (5). Understandably, the toothbrush with toilet water droplets on it is one of the most retold horror stories to emerge from Gerba's report.

There are also greater implications from the study of the aerosol effect than simple grossness factor. Most obviously, bathrooms should be cleaned even more meticulously than before, with emphasis not just on and around the toilet, but equal emphasis on all areas of the bathroom because all areas are equally affected by the spray. Using the right cleaners is important because all-purpose cleaning solutions are not necessarily antibacterial, whereas most cleaners made specifically for restrooms are referred to as disinfectants or germicidal cleaners (1). Given that the sink area teems with bacteria, one must now be more careful about washing hands properly after walking into the bathroom for any non toilet-related purposes like washing your face and brushing teeth. Using a hair dryer can potentially be problematic in regard to bacteria counts because the effect would be largely the same as hot-air hand dryers, which actually increase the bacteria on hands by 162 percent, as opposed to paper towels, which decrease them by 29 percent (7). If you're still not convinced that bacteria exist in any significant quantities on your hands, consider that kitchen sink actually harbors the most fecal matter in the average home, carried there by unwashed hands after using the bathroom (5). A tablespoon of bleach in a cup of warm water on the offending sink will fix the situation... for the day.

To limit the scope of the aerosol effect, the simplest method is to close the lid on the toilet every time before flushing (5). This would also provide the peace of mind that while you are washing your hands for 30 seconds, microscopic, bacteria-laden water droplet will not be descending upon your person. Unfortunately, most public toilets, including the ones in Bryn Mawr's dorms, don't even have lids for that option. Besides, given the large number of people who have used the toilet before you, it probably wouldn't make much difference. After washing your hands, use a paper towel to turn off the faucet and to open the door to leave, in order to avoid being recontaminated (4). And today, get a new toothbrush and always, always keep it in the medicine cabinet or some other enclosed place after use (2).

References

(1) Janitorial Resource Center - Dr Klean.

(2) A Straight Dope Classic - Cecil's been asked.

(3) Car Talk's mailbag - People are talking back.

(4) WebMD - What can you catch from restrooms?

(5) Harvard Gazette book review - Overkill, by Kimberly Thompson

(6) When in doubt, Ask Men - What can you catch from (men's) restrooms?

(7) Sean Blair: Writer. Researcher. Editor. - Killer offices.

(8) The Atlantic Monthly - Something in the water.



11 posted on 04/11/2003 7:28:59 PM PDT by Nita Nupress
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To: Nita Nupress
Thanks alot, I already carry hand sanitizers, don't touch railings, public phones (yuk) or use the air blowers in restrooms to dry my hands (they just blow the dirty air back on your hands).

So here's one for you to think about. Did you know that bowling balls carry the most fecal matter out of them all?

And the people at Taco Bell had the nerve to get mad when I told them to forget my order when I saw they didn't wear gloves!
12 posted on 04/11/2003 7:30:34 PM PDT by Lijahsbubbe
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To: DBrow
>>We used to use DDT to control mosquitoes in malaria areas- saving millions. With the ban, malaria deaths are up and are still rising. Now we have another insect spread killer, apparently.<<

The article didn't seem to provide much evidence for the virus being spread by cockroaches --seems more like speculation.

Also, cockroaches can be managed by good integrated pest management techniques, while indiscriminately poisoning them just leads to new, resistant strains.

risa
13 posted on 04/11/2003 7:31:08 PM PDT by Risa
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To: Nita Nupress
Simply rinsing one's hands under running water for a few seconds without soap, as some people do, is not effective at all. The way to ensure maximum standards of hygiene is to lather your palms, the back of your hands, in between fingers, and under fingernails for 20-30 seconds with soap and hot water; the friction will kill off the bathroom bacteria (6).

Okay, now that you've unnerved us with the Fecal Fountain Factor, how do you turn off the water without touching something that has been contaminated? Do we all need to become like Howard Hughes?

14 posted on 04/11/2003 7:38:00 PM PDT by Dog Gone
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To: Vigilant1
Well ... I read here on FR about a group of Russian scientists who say SARS is a combination of Measels and Mumps. It was combined synthetically, and released accidentally; in China.

I don't know why - but I tend to believe this.
15 posted on 04/11/2003 7:40:30 PM PDT by CyberAnt
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To: Dog Gone
You use your elbow to hit the paper towel lever, use the paper towel to shut the faucet off if it's not automatic, and use a paper towel to open the door.

And wash your hands as soon as you get home!
16 posted on 04/11/2003 7:41:33 PM PDT by Lijahsbubbe
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To: Risa
The data suggests that cockroaches are an alternative vector.

More info here (get the NEJM pdf file)

17 posted on 04/11/2003 7:42:03 PM PDT by Diogenesis (If you mess with one of us, you mess with all of us.)
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To: Nita Nupress
It's funny you should mention this because I once accidently broke a chemical glow stick and poured the liquid into the toilet. I flushed the toilet and when I was leaving I turned the light off.

Before I could get out of the bathroom I saw glowing specks everywhere in the bathroom from ceiling to floor. Thousands and thousands.

The first thing I thought of was how many times I flushed the toilet without putting the lid down and how my toothbrush is always lying on the sink. Revolting is the word. Now I always drop the lid and keep my toothbrush in the medicine cabinet.
18 posted on 04/11/2003 7:43:32 PM PDT by TheErnFormerlyKnownAsBig (.45 .46, whatever it takes)
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To: Dog Gone
P.S., if you think about it long enough, you will want to stay in just like Howard Hughes!
19 posted on 04/11/2003 7:43:49 PM PDT by Lijahsbubbe
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To: Vigilant1
All other reports link the spread to coughing. It is, after all, Severe Acute Respiratory Syndrome.

This article might be cockroach do-do.

20 posted on 04/11/2003 7:44:23 PM PDT by samtheman
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